Mine drilling machine



Nov. 1 1960 Filed Dec. 16, 1959 A. L. LEE 2,958,514

MINE. DRILLING MACHINE l9 Sheets-Sheet 1 lNVENTOR Arr/mrLIae BY ma L;, ATTORNEY Nov. 1, 1960 A. L. LEE 2,958,514

MINE DRILLING MACHINE Filed Dec. 16, 1959 19 Sheets-Sheet 2:

A RIMY O! E mi? W m m M M; g M km A 2 N mm mm 3 E 8 O \IN irswfzi Nov. 1, 1960 Filed Dec. 16, 1959 A. L. LEE 2,958,514

MINE DRILLING MACHINE l9 Sheets-Sheet 3 1 ATTORNEY Nov. 1, 1960 A. L. LEE 2,958,514

MINE DRILLING MACHINE Filed Dec. 16, 1959 19 Sheets-Sheet 4 II I I l v .Y E; 1, 53 l 53 3 & g 29 IN VEN TOR.

Nov. E, 1960 A. L. LEE 2,958,514

MINE DRILLING MACHINE Filed Dec. 16, 1959 19 Sheets-Sheet 5 INVENTOR.

ArfarLLee 5 jag/72; a

Nov. 1, 1960 A. L. LEE 2,958,514

MINE DRILLING MACHINE Filed Dec. 16, 1959 19 Sheets-Sheet 6 IIIIIIIIA\ a 'IIIIIIIIIIIIIA INVENTOR Arz76 urL.Lee 52.4 J I? q ATTORNEY Nov. 1, 1960 A. L. LEE 2,958,514

MINE DRILLING MACHINE Filed Dec. 16, 1959 19 Sheets-Sheet 7 E y MW INVENTOR. Art/furfl. Lee

BYSQQ-ZJ QA MflZI-ZZM Nov. 1, 1960 A. L. LEE 2,958,514

MINE DRILLING MACHINE Filed Dec. 16, 1959 19 Sheets-Sheet. 8

m g 9 2 rml Q w a o E g h...

r co 2 9 Q N" N E INVENTOR L; ATTORNEY Nov. 1, 1960 A. 1.. LEE 2,958,514

MINE DRILLING MACHINE Filed Dec. 16, 1959 19 Sheets-Sheet 9 fzwzzim A r222 24 L. L 99.

a m i J m Ev 2 Q M A Qw mm m QWN, m QM. N\% W km: 5 H

\N QE 9 Nov. 1, 1960 A. L. LEE 2,958,514-

MINE DRILLING MACHINE Filed Dec. 16, 1959 19 Sheets-Sheet 12 19 3/8 "wi l ll 3/8 302 mnnwh m luwvw 3 I 3/7 0 5 I 1220822202: AZ'ZZZM" L.Le.

9 QJEM 4 Nov. 1, 1960 A. L. LEE

MINE DRILLING MACHINE Filed Dec. 16, 1959 19 Sheets-Sheet 14 12272622202: A?ZZ2urL.L 9e. 9 5% J Mai His AZZorzzeg.

Nov. 1, 1960 A. L. LEE 2,958,514-

MINE DRILLING MACHINE Filed Dec. 16, 1959 19 Sheets-Sheet 15 1220627302 ArZZz up L.L e6.

Nov. 1, 1960 A. L LEE MINE DRILLING MACHINE l9 She etS-Shee't 16 Filed Dec. 16, 1959 [220622202 ATZZZ z12L.L 6

9 5ZWA J M; L

Hes/12202 2299.

Nov. 1, 1960 A. L. LEE

MINE DRILLING MACHINE l9 Sheets-Sheet 17 Filed Dec. 16, 1959 INVEN'I'OR.

ARTHUR L. LEE

J Mac HIS ATTORNEY Nov. 1, 1960 A. L. LEE

MINE DRILLING MACHINE Filed Dec. 16, '1959 19 Sheets-Sheet 18 FIG. 43

INVENTOR.

ARTHUR 1.. LEE fi HIS ATTORNEY Nov. 1, 1960 A. L. LEE

MINE DRILLING MACHINE l9 Sheets-Sheet 19 Filed Dec. 16, 1959 a uTu IN V EN TOR.

E E U L N L. m T W T W A R S A H United States Patent 2,953,514 Patented Nov. 1, i960 ire IVIINE DRILLING MAHINE Arthur L. Lee, Columbus, Ohio, assignor to Consolidw tion 'Coal Company, Pittsburgh, Pa., a corporation of Pennsylvania Filed Dec. 16, 1959, Ser. No. 859,882

30 Claims. (Cl. 255-47) This invention relates to mining machines and more particularly to a drilling machine especially designed for use in underground mines or tunnels for drilling holes at various locations in the mine or tunnel walls and roof.

This application is a continuation-in-part of my copending applications Serial Number 659,843, filed May 17, 1957 and Serial Number 579,254, filed April 19, 1956. Application Serial Number 659,843 is a continuation-in-part of application Serial Number 169,752, filed June 22, 1950, now abandoned and application Serial Number 579,254 is a division of application Serial Number 169,752, filed June 22, 1950, now abandoned.

In conventional mining drills of the mobile type the drilling tools are usually mounted on adjustable supporting structures such as swingable booms. As a result of the substantial overhang of the boom structure in front of the base, considerable vibration is set up within the machine during the hole drilling operation. The present invention contemplates improvements over such known types of drilling machines in that the drill function is effected by a unitary self-contained machine. There is also included a novel guiding and supporting structure for a drilling tool wherein the drill guide frame is firmly held against the working face during the drilling operation thereby minimizing vibration and rendering the entire machine relatively steady. The machine of the present invention is flexible in operation having a wide range of adjustment and is relatively simple and rugged in design, and well adapted for its intended use.

An object of the present invention is to provide an improved supporting and guiding structure for a work supporting element and improved feeding and adjusting means therefor.

Yet another object is to provide an improved adjustable support for a drilling implement including a guide member for the drilling implement which is firmly held against the working face during the drilling operation to thereby hold the supporting structure steady.

A still further object is to provide improved means for feeding the drilling implement toward the work and for constantly urging the drill guiding frame against the face of the work during the drilling operation.

Yet another object is to provide an improved drill guiding frame along which a drill carriage is mounted for movement back and forth with respect to the work.

Still another object is to provide an improved driving means for a drilling tool and improved means for guiding the drilling tool during the drive thereof.

A further object is to provide an improved mining machine having improved fluid operated and adjusted supporting and guiding elements and embodying an improved fiuid system.

Another object is to provide a means to propel the intermediate centralizer back and forth along the guide member.

Yet another object is to provide an improved mining machine having novel arrangements and combinations of parts.

These and other objects and advantages of the invention will, however, hereinafter more fully appear.

in the accompanying drawings to be taken as part of this specification, I have clearly and fully illustrated two embodiments of my invention, in which drawings:

Figure 1 is a diagrammatic side view of embodiment I showing the drilling implement comprising the supporting structure and guide frame mounted on a boom structure of a mobile mining machine and showing in dotted lines various positions of adjustment of the drilling implement.

Figure 2 is a side elevational view of the drilling implement illustrating the adjustable supporting structure and guide frame with the guide frame in retracted position.

Figure 3 is a top plan view of the supporting structure and guide frame, with the guide frame in retracted position.

Figure 4 is an enlarged vertical section taken along the line 4-4 of Figure 3, illustrating a portion of the feeding means.

Figures 5 and 6 taken together, constitute a side elevational view of the supporting and guiding frame structure, with the guiding frame in fully extended position and illustrating the means for constantly holding the guide frame against the work during drilling operation.

Figure 7 is a cross section taken on line 7-7 of Figure 4 showing the drive for the sprocket shaft.

Figure 8 is an enlarged cross section taken on the line of Figure 5, showing details of the guide frame and the mounting for the driving motor.

Figure 9 is an enlarged fragmentary view of the rear portion of the supporting frame along which the guiding frame is guided.

Figure 10 is a cross section taken on line Ill-1G of Figure 9.

Figure 11 is an enlarged detail view showing the sliding carriage.

Figure 12 is a cross section taken on the line 1212 of Figure 11.

Figure 13 is an enlarged detail view showing the forward portion of the supporting frame, illustrating the front bearing mounting for the drilling implement.

Figure 14 is a cross sectional view taken on the line 1414 of Figure 13.

Figure 15 is a longitudinal section taken on the line l515 of Figure 12.

Figure 16 is a developed vertical section taken on line 16-46 of Figure 14,

Figure 17 is a detail vertical section taken on line 17-l7 of Figure 10, illustrating the flexible bearing mounting for the splined drive shaft.

Figure 18 is a diagrammatic view illustrating the hydraulic system.

Figure 19 is a plan view of embodiment II illustrating the supporting and guiding structure mounted on a boom structure.

Figure 20 is a side elevation view of the and guiding structure shown in Figure 19.

Figure 21 is an enlarged View in central longitudinal vertical section taken on the line 2i21 of Figure 19 with parts shown in full.

Figure 22 is an enlarged detail vertical section taken on the line 22-22 in Figure 19 illustrating the brake for the sprocket drive shaft.

Figure 23 is a horizontal section taken on line 23-23 of Figure 22 and also illustrating the brake and sprocket arrangement.

Figure 24 is an enlarged vertical section taken along the plane of Figure 21 illustrating the rearward portion of the guide member and the sliding drill carriage.

Figure 25 is a cross section taken on the line 25-25 of Figure 24.

supporting 

